+/*
+ * This function implements reassembly of fragmented IPv6 packets.
+ * Incoming mbuf should have its l2_len/l3_len fields setup correctly.
+ *
+ * @param tbl
+ * Table where to lookup/add the fragmented packet.
+ * @param dr
+ * Death row to free buffers to
+ * @param mb
+ * Incoming mbuf with IPv6 fragment.
+ * @param tms
+ * Fragment arrival timestamp.
+ * @param ip_hdr
+ * Pointer to the IPv6 header.
+ * @param frag_hdr
+ * Pointer to the IPv6 fragment extension header.
+ * @return
+ * Pointer to mbuf for reassembled packet, or NULL if:
+ * - an error occured.
+ * - not all fragments of the packet are collected yet.
+ */
+struct rte_mbuf *rte_ipv6_frag_reassemble_packet(struct rte_ip_frag_tbl *tbl,
+ struct rte_ip_frag_death_row *dr,
+ struct rte_mbuf *mb, uint64_t tms, struct ipv6_hdr *ip_hdr,
+ struct ipv6_extension_fragment *frag_hdr);
+
+/*
+ * Return a pointer to the packet's fragment header, if found.
+ * It only looks at the extension header that's right after the fixed IPv6
+ * header, and doesn't follow the whole chain of extension headers.
+ *
+ * @param hdr
+ * Pointer to the IPv6 header.
+ * @return
+ * Pointer to the IPv6 fragment extension header, or NULL if it's not
+ * present.
+ */
+static inline struct ipv6_extension_fragment *
+rte_ipv6_frag_get_ipv6_fragment_header(struct ipv6_hdr *hdr)
+{
+ if (hdr->proto == IPPROTO_FRAGMENT) {
+ return (struct ipv6_extension_fragment *) ++hdr;
+ }
+ else
+ return NULL;
+}
+